The question is asking if they will or if they did walk to the park...Past...Present...or Future
It might be said that Anaya´s memoir is a celebration of the "elder". That is why, it is more appropriated to use the term "grandfather(s)" in plural, to make reference to all of them and not just his. It includes older generations and future generations. His father is just an example to illustrate what he is talking about.
i want to buy <u>a</u> washing machine i like <u>the</u> one i saw on TV.
<em>i think those are it i mean there are no optional words???</em>
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Answer:
it could be because we have routines and do the same things everyday. Sometimes we don't even realize it.